Log-boom



(No'M'odel.)

' W. H. RAN.

LOG BOOM.

Patented July 3.0, 18,89',

N. PTERS. Phnkolhognphcr. Washington. D. C.

UNITED STATES PATENT OFFICE..

v\VILLIAM HENRY ROAN, OF VILLIAMSBURG, KENTUCKY.

LOG-BOOM.

SPECIFICATION forming part of Letters Patent No. 408,046, dated July 30, 1889. Application filed December 6, 1887. Renewed May 3, 1889. Serial Ne. 309,545. (No model.)

To all whom t may concern.-

Be it known that I, WILLIAM HENRY RoAN, of iVilliamsburg, in the county of Vhitley and State of Kentucky, have invented certain new and useful Improvements in Log-Booms; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawing, which forms part of this specification.

My invention relates to an improvement in swift-waterlog-booms; and it consists in the combination and arrangement of parts, which will 'be more fully described hereinafter.

The object of my invention is to construct a swift-water log-boom lgap for catching and retaining logs and iioating debris, and in which the parts are made adjustable, so that the sheer can be opened to allow the logs and debris to pass down the stream, or can be closed so as to force them to pass through a swift-water gap into the boom, where they will be retained.

The accompanying drawing represents a plan View of a log-boom embodyingmy invention.

A represents the stream of water, and B the shore upon each side thereof. Upon one of the shores is built or formed, in any suitable manner, a fastening C, which is composed of a numberef logs secured rigidly together, and

which are anchored in place upon the shore in any way preferred. Fastened to this fast-- ening C, by means of the chain D, is a log E, which extends diagonally from the shore outward across the stream, and'which is braced rigidly in position by the log or brace F, which has its shore end fastened to a second fastening C', as shown. By means of this brace F the log E is retained at the angle at which it is adjusted, and this log forms the upper end of the sheer. The sheer G, which consists of a number of logs preferably fastened together in pairs, is fastened to the logE and is held at any desired angle across the stream by means of a series of ropes or wires H, as shown. These ropes or wires II may have one of their ends fastened either to some stationary object upon the shore, or they may be fastened to rafts which are floating upon the water and which form a part of the boom. The lower one of the ropes H has its inner end fastened to a windlass L, which is placed upon shore, and by drawing up upon this rope the sheer may be drawn outward across the stream or allowed to move backward toward the shore, so that the raft I, fastened to the lower end of the boom, will not close the gap and force the logs and dbris into it. Vhen the rope H is tightened up by means of the windlass, the sheer G and the raft I are drawn outward, so as to deflect all of the logs into the boom .I

Upon the opposite side of the stream from the fastening C C and the log E, which form the upper end of the sheer, there is anchored in the stream a fasteningK, and to the lower end of this fastening K attached the sheer M, which is preferably formed of single logs chained together at their ends, and which are held at any desired angle from the shore by means of the brace N, which has its inner end attached to a suitable fastening O at the edge of the stream and its outer end rigidly secured to the lower end of the sheer M. Fastened to the lower end of the sheer M is the adjustable raft P, which is held at any desired angle to the sheer G by the brace Q,which is provided with a series of holes or perforatious, through which pins, stakes, or fastening devicescan be driven. By means of this perforated brace Q the raft P can be adjusted in and out upon the stream and thus contract the space through which the logs and fioatin g dbris will pass, or can be moved, as shown in dotted lines, seas to deect the floating logs down the stream past the mouth of the boom. Then in the position shown in dotted lines, and the raft I is also moved into the position shown in dotted lines, all logs will pass on down the stream.

Sunk or fastened into the ground is the post R, to which the logs S are fastened by means of the chain, and these logs extend `diagonally across the shore down the stream.

To their lower ends is fastened the raft T, which forms one side of the swift-water gap U. The brace Q extends across the upper end of this raft T and to which the brace can be fastened. Extending from the lower end IOO of the raft T is the chain V, which extends across the swift-water gap U and helps to anchor the raft W in place; also, fastened to the raft T, through the vlog X, is the raft Y, between which and the raft W the iioating logs mustpass in order to get into the boom J. The upper ends of the two rafts W Y are so shaped as to deiect the floating dbris and cause it to float on down past them into the boom J. These two rafts W Y are connected together by the brace Z, which consists of a number of logs fastened together and which are fastened at their shore end to the log A', which is sunk endwise into the ground. The outer one of the logs of the braceZ extends across the tops of the rafts W Y, under which the logs pass iioating into the boom. The ends of the logs which comprise the brace Z are concaved, as shown, so that they can move up or down as the river rises or falls.

One of the shores of the stream forms one side of the boom and the logs B form the other. The raft D is made adjustable by means of the brace Q, for the purpose of being moved outward across the stream at such an angle as to protect the front end of the raft W from the fioating logs when the raft I is removed, so as to let the logs iioat freely down the stream. Were it not for this raft D the logs would strike against the raft and either injure or displace it. The brace Z is raised upward by means of head-blocks placed upon the rafts W Y, so that the logs will iioat freely under it.

Having thus described my invention, I claim- 1. The combination, with the rafts W Y,

rope H, connected to the sheer, and the windlass, whereby the sheer can be moved laterally, substantially as shown.

2. The combination of the sheer G, loosely connected at its upper end to the log E, which is suitably fastened and braced to suitable fastenings on shore, andwhich is jointed so that it can be adjusted laterally, the ropes or chains H H', for holding the sheer in position,

the raft K, the logs M, extending therefrom and braced in position in the stream, the raft l), fastened to the lower'end of the logs M, the brace Q, fastened to the rafts P T, the raft T, anchored by suitable connections S,

the rafts W Y, connected to the raftT by the.

log X and chain V, the cross-piece Z, which extends across the tops of the rafts WY, and the logs B', fastened to the raft WV at one end and to the shore at the other, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

WILLIAM HENRY RoAN.

Witnesses:

HENRY INMAN, JOHN WILLIAMS. 

